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Because of economy and powerful drilling capacity, down the hole hammer become an advanced drilling tool for drilling and mining industries. Down the hole hammers and drill bits are designed together to work in perfect unison, giving high penetration rates, long service life and low costs.
Water well drilling, Bench drilling, Mining / Mineral Exploration, Oil well drilling, and Civil Engineering Applications.
| Type | Model | Length (mm) | Weight (kg) | External Dia. | Hole Range |
|---|---|---|---|---|---|
| 3.5 inch | DHD3.5 | 930 | 25 | Φ82 | Φ90-110 |
| 4 inch | DHD340 / SD4 / QL4 | 1030-1097 | 39-41 | Φ99 | Φ110-135 |
| 5 inch | DHD350 / SD5 / QL5 | 1110-1214 | 68-76 | Φ125 | Φ135-155 |
| 6 inch | DHD360 / SD6 / QL6 | 1161-1261 | 90-100 | Φ142-146 | Φ155-190 |
| 8 inch | D85 / SD8 / QL8 | 1338-1492 | 176-192 | Φ180 | Φ195-254 |
| Low Air Pressure Hammers Data | |||||
|---|---|---|---|---|---|
| Item | Length (mm) | Ext. Dia (mm) | Weight (kg) | Pressure (Bar) | Bit Shank |
| CIR-50 | 628 | 44 | 5 | 4-10 | CIR50 |
| CIR-60 | 777 | 53 | 7.5 | 4-10 | CIR60 |
| CIR-65 | 745 | 61 | 13 | 4-10 | CIR65 |
| CIR-76 | 811 | 66 | 13.5 | 4-10 | CIR70 |